Question

`2 {a}^(2) - 3ab + {b}^(2) from3 {a}^(2) + 2ab - {b}^(2)`
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Answer 1

a (a - b)

Explanation:

`2a^(2)-3ab+b^(2) from 3a^(2) + 2ab - b^(2)`

Now, as
`2a^(2)-3ab+b^(2)` is from
`3a^(2) + 2ab - b^(2)`

so it will be subtracted :

`3a^(2) + 2ab - b^(2)`
`-2a^(2)-3ab+b^(2)`

=
`a^(2) - ab`

= a (a - b)